

void setup() {
  unsigned int delayvar = 500;//You can chane this but it wont do much
 
  pinMode(13, OUTPUT);  //define pins as output
  pinMode(11, OUTPUT);  //define pins as output
   
}

void loop() {
  unsigned int strobespeed = 425;  //change for a different strobe speed

  delay(500);

  strobe();

}

void strobe()
{
  delay(1000);
  digitalWrite(11, HIGH);// the strobe stops
  digitalWrite(13, HIGH);// the strobe stops
  delay(75);
  digitalWrite(11, LOW); //and starts going the other way
  digitalWrite(13, LOW); //and starts going the other way
  delay(250);
}
